euler-ik-constraint.hpp

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/*
 * Copyright (C) 2023  Christopher J. Howard
 *
 * This file is part of Antkeeper source code.
 *
 * Antkeeper source code is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * Antkeeper source code is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with Antkeeper source code.  If not, see <http://www.gnu.org/licenses/>.
 */
 
#ifndef ANTKEEPER_ANIMATION_EULER_IK_CONSTRAINT_HPP
#define ANTKEEPER_ANIMATION_EULER_IK_CONSTRAINT_HPP
 
#include <engine/animation/ik/ik-constraint.hpp>
#include <engine/math/euler-angles.hpp>
#include <engine/math/numbers.hpp>
 
class euler_ik_constraint: public ik_constraint
{
public:
    void solve(math::fquat& q) override;
    
    inline void set_rotation_sequence(math::rotation_sequence sequence) noexcept
    {
        m_rotation_sequence = sequence;
    }
    
    inline void set_min_angles(const math::fvec3& angles) noexcept
    {
        m_min_angles = angles;
    }
    
    inline void set_max_angles(const math::fvec3& angles) noexcept
    {
        m_max_angles = angles;
    }
    
    [[nodiscard]] inline constexpr math::rotation_sequence get_rotation_sequence() const noexcept
    {
        return m_rotation_sequence;
    }
    
    [[nodiscard]] inline constexpr const math::fvec3& get_min_angles() const noexcept
    {
        return m_min_angles;
    }
    
    [[nodiscard]] inline constexpr const math::fvec3& get_max_angles() const noexcept
    {
        return m_max_angles;
    }
    
private:
    math::rotation_sequence m_rotation_sequence{math::rotation_sequence::xyz};
    math::fvec3 m_min_angles{-math::pi<float>, -math::pi<float>, -math::pi<float>};
    math::fvec3 m_max_angles{ math::pi<float>,  math::pi<float>,  math::pi<float>};
};
 
#endif // ANTKEEPER_ANIMATION_EULER_IK_CONSTRAINT_HPP